Firefox browser extension

Extensions can extend and modify the capability of a browser. Extensions for Firefox are built using the WebExtensions API, a cross-browser system for developing extensions. To a large extent the system is compatible with the extension API supported by Google Chrome and Opera and the W3C Draft Community Group. Your first extension - JavaScript APIs - Porting from Google Chrome - Browser styles. Extensions. Explore powerful tools and features to customize Firefox and make the browser all your own. See more featured extensions Top rated extensions Download Management - Themes - Photos, Music & Videos - Privacy & Security. Customize the way Firefox works with extensions. Are you interested in Bookmarks · Password managers · Ad blockers · Smarter Shopping · Productivity Extensions - Firefox Multi-Account - AdBlock for Firefox The most - About.

Offers the possibility to display documents in the browser window. This extension allows you to open the document directly in your browser. Extensions. Explore powerful tools and features to customise Firefox and make the browser all your own. Categories. Alerts & Updates · Appearance. In this article we'll walk through creating an extension for Firefox, from start to finish. The extension just adds a red border to any pages loaded.

Download Management. Browse all extensions in this category. Featured extensions 3,, users · See more featured extensions Top rated extensions. Only with Firefox—Get Firefox Now For instance, if you go to a YouTube page, you'll be able to download the Log in to rate this extension. Extensions written using WebExtensions APIs for Firefox are designed to be cross-browser compatible. In most cases, it will run in Chrome. Extend Firefox with add-ons to add new features to it. For detailed information on disabling or removing plugins, extensions or appearance add-onsthemes.